CVE-2025-68252 misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix dmabuf object leak in fastrpcmaplookup In fastrpcmaplookup, dmabufget is called to obtain a reference to the dmabuf for comparison purposes. However, this reference is never released when the function returns,...